Sometimes abbreviated to RWDS - it is a condition which affected people most recently in England, around the time when Prince William and Kate Middleton (now Princess Katherine) had their wedding. The condition's leading cause appears to be the general atmosphere created by such an occasion. Specifically it is when people get fed up with all the media focus and people generally getting too excited about the wedding, tas well as certain companies producing Royal Wedding condoms.

A person or people that purposefully causes chaos or mischief within a group for the sake of entertainment.